Blitz the Gap
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Starting soon! Blitz the Gap kicks off on June 1st!

Read more about these challenges

These challenges were created by a team of ecologists, graduate students, and community scientists. The Blitz-the-Gap umbrella project seeks to increase the number of iNaturalist observations that can be used for science and conservation, and is supported by: Canadian Wildlife Federation, Wildlife Conservation Society Canada, Canada Key Biodiversity Areas, Campus Biodiversity Network, University of British Columbia’s Data4Nature cluster, McGill University, and the Canadian Institute for Ecology and Evolution, including the Living Data Project. The working group is led by Laura Pollock, Diane Srivastava, Katherine Hébert, David Hunt, Sandra Emry from McGill University and University of British Columbia.

Books, Butterflies & Blooms
Team up with your local public library to photograph plants, animals, fungi and more! Beginners welcome. Help us survey biodiversity across this vast and beautiful country.

Closing the Climate Gap
Canada hosts a wide range of climates due to its vast size and diverse geography. Understanding how different climates contribute to the collective housing of biodiversity…

Find new Key Biodiversity Areas for conservation!
We need your help to identify priority areas for conservation!

Getting Even!
There are a lot of observations on iNaturalist - which is great! But sometimes those observations are skewed towards certain groups of organisms, especially in certain…

Make a splash!
For this challenge, head to your favourite lake, river, pond, or wetland and start observing!

Missing Canadian Species
Thousands of Canadian species have not been recorded on iNaturalist. Can you be the first to find them?

More than the Monarch
In Canada, we have more than 5,000 species recorded of butterflies and moths, one of which is the Monarch (Danaus plexippus), the fifth most recorded species in the country.…

Revisiting the past
To understand biodiversity change, we need a record of biodiversity change. Join this challenge to help us bridge time gaps in biodiversity data!

Seaweeds of Canada
Ahoy! Beachcombers, beachgoers, and beach bums rejoice! Have we got a challenge for you!

The Other 99%
Canada is a big place. And even though you’ve submitted a lot of observations, most of those are found in a pretty small set of locations, especially cities. In fact, over…

Too Hot to Handle!
Climate change is impacting some parts of the country more than others. You can help scientists and communities track how species are responding to these changes by joining…

Trailblazers challenge
Did you know that most iNaturalist observations made by hikers are most often taken in close proximity to the trailhead? Having a more even spread in observations over the…
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